<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        video {
            width: 100%;
        }
    </style>
</head>

<body>
    <!-- 谷歌浏览器要添加muted -->
    <video src="media/mi.mp4" autoplay="autoplay" muted="muted" loop="loop" controls="controls"
        poster="media/mi9.jpg"></video>
    <audio src="media/music.mp3" autoplay="autoplay" controls="controls"></audio>
</body>

</html>